Nokia D211 Developer's Manual
Also see for D211: User guideUser guide
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Contents
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9/1132.2 WECAA few years ago several WLAN standards and proprietary implementations were competingat the same marketplace. WLAN networking components from one vendor would only workwith WLAN terminal equipment from the same manufacturer. In other words, customerscould not go and purchase a wireless access point (a wireless network hub) from one vendorand use a wireless network adapter from another vendor in the same installation. This waswidely recognized as being the main limiting factor preventing wide scale market acceptanceof the WLAN technology. The situation effectively limited the WLAN usage to a certain nichemarket segments where multi-vendor capability was not of primary concern.In 1999, Wireless Ethernet Compatibility Alliance (WECA) was formed to tackle theinteroperability problem by supporting the recently approved IEEE 802.11b standard and bytesting and certifying WLAN multi-vendor interoperability. The founding members of thegroup include 3Com, Aironet (now part of Cisco systems), Intersil (formerly HarrisSemiconductors), Lucent Technologies (now Agere systems), Nokia, and SymbolTechnology. It is notable that today WECA has approximately 140 member companies.In addition to certifying the interoperability of Wi-Fiô (IEEE 802.11) products, WECAísmission includes the promotion of Wi-Fiô as the global wireless LAN standard across allmarket segments.Today, it is clear that the improved compatibility between different manufacturersí WLANdevices together with marketing activities have significantly fostered the overall WLANmarket growth, which in turn has lead to lower device costs to end users, thus furtherincreasing the potential market size.2.2.1 Testing ProcessWECAís interoperability certification process can be divided into two main parts:1) Definition of the test specifications and2) Testing of the products from various manufacturers against the testspecifications to make sure that products conform to the Wi-Fiô standardAgilent Technologies Interoperability Certification Lab (Agilent ICL) (former Silicon ValleyNetworking Labs) performs the WECA testing. Agilent's ICL is operating as an independenttest facility. However, only WECA members can submit products to the lab for Wi-Fiôinteroperability testing.When a product meets the interoperability requirements as described in the WECA testmatrix, Agilent's ICL notifies WECA. WECA then grants a certification of interoperability,which allows the vendor to use the Wi-Fi logo on advertising and packaging for the certifiedproduct. The Wi-Fi logo is shown in Figure 3.Figure 3: Wi-Fiô logo.The idea is that the Wi-Fi seal of approval assures the end customer of the interoperabilitywith other network cards and access points which also bear the Wi-Fi logo.The Nokia D211 is Wi-Fi compliant. |
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